Peter Sobot

• Provided technical leadership, technical design, and code to the Personalization Platform team (~40 people)
  • Owned and maintained the core machine learning systems for music recommendation across all of Spotify
  • Powered features including Home, Discover Weekly, Daily Mix, Radio, Suggested Songs, and Fans Also Like
• Focused on teaching and mentorship: led engineer onboarding bootcamp for new hires and mentored 7 engineers
• Gave dozens of internal and external talks to other teams, companies, and conferences across three continents
• Optimized core machine learning algorithms in C and made contributions to open source libraries Annoy and Scio

• Designed and implemented scalable backend services in Java for music recommendation and personalization
• Built data pipelines in Scala and Python, processing hundreds of terabytes per day to serve 200m+ Spotify users
• Won Spotify's internal company-wide hack week two years in a row (with projects sadly too secretive to list)
• Led the Spotify NYC Musicians' club and ran bi-monthly Friday Night Live internal concert series

• Provided technical direction, design input, mentorship and engineering work to Incident Management team
• Authored and deployed code contributions to 34 projects in 10 languages (primarily Ruby, Javascript, and Swift)
• Won 9 of 12 monthly engineering hack days in 2016 with projects including:
  • #oncallselfie, native Twitter integration for PagerDuty's iOS and Android apps
  • Rich HTML Email support for hundreds of thousands of PagerDuty users
  • Internal real-time display of outgoing notifications with Go, Kafka, WebSockets & WebGL
  • PagerDuty's watchOS app for displaying on-call status and scheduling on your wrist
  • Versioning and undo for PagerDuty's on-call scheduling service
• Fastest progression from entry-level to senior engineer in company history (21 months)

• Core contributor for product improvements on Workflow and Incident Management: Systems teams
• Spearheaded efforts to increase overall throughput by 100x, enabling future customer growth
• Mentored and onboarded 2 interns and 3 new full-time employees

• Helped ship core product enhancements including Incident Snooze and Incident Urgencies
• Ensured reliability and uptime of PagerDuty by participating in primary on-call rotations
• Sang in BarberDuty, PagerDuty's on-call barbershop quartet that wakes you up at night

• Directed TWG Labs, a company division focused on experiments, learning and tools
• Managed a team of 3 developers on internet-of-things projects (Raspberry Pi, iBeacons, NodeJS and Heroku)
• Built bleeding-edge product prototypes for national Canadian brands including Tim Hortons

• Crafted viral music apps for the web, Android and iOS:
• the Wub Machine, an automatic music remixer used to make nearly 4 million remixes
• forever.fm, an endless, automatic & beatmatched radio station

• Built MixBox, an iPad music remixing app based on the Echo Nest's Remix API
• Created JoosBox, a compiler for a large subset of Java in Scala (Winter 2014, team of 3)
  
• "Colour of the Web," finding the average colour of the internet (Fall 2010, group of 2)